tracking skills when one of his close friends is accused of murder -- and then is nowhere to be found.

"Enlisted" (9:30 p.m., Fox): Break out the camo and get ready to laugh. This new comedy is about three bickering brothers (Geoff Stults, Chris Lowell and Parker Young) stationed together on a small Florida Army base.

Billy Campbell as Alan Farragut in 'Helix.' (Justin Stephens/Syfy)

"Helix" (10 p.m., Syfy): Billy Campbell stars in this sci-fi drama with creepy horror-movie overtones. He plays the head of a Centers for Disease Control team who is sent to a top-secret biological research facility in the Arctic. There he discovers the brutal effects of a virus that could wipe out the human race.